| 施用氮磷钾肥对紫云英生长·产量的影响 |
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| 引用本文： | 张祥明,郭熙盛,王文军,王允青,刘英,武际.施用氮磷钾肥对紫云英生长·产量的影响[J].安徽农业科学,2011,39(30):18585-18586,18694. |
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| 作者姓名： | 张祥明 郭熙盛 王文军 王允青 刘英 武际 |
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| 作者单位： | 安徽省农业科学院土壤肥料研究所,安徽合肥,230031 |
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| 基金项目： | 国家公益性行业科研专项(201003059,201103005) |
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| 摘 要： | 目的]研究不同肥料运筹措施对紫云英生长的影响和增产效果。方法]通过田间试验,研究氮磷钾肥配合施用对紫云英根瘤数量、鲜草和籽粒产量的影响。结果]氮磷钾肥对紫云英根瘤数量的影响顺序均为P〉K〉N。初花期氮磷钾配合施用处理紫云英鲜草产量最高,而盛花期为NP处理最高,氮磷钾肥对鲜草的增产效果为P〉K〉N。氮磷钾肥对紫云英籽粒产量的影响大小顺序为P〉K〉N。结论]增施磷肥是提高紫云英鲜草和籽粒产量的关键。氮肥、钾肥后移对紫云英籽粒产量提高也有一定的作用。
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| 关 键 词： | 紫云英 氮 磷 钾 根瘤 |
Effects of Nitrogen,Phosphorus and Potassium Fertilizer on Growth and Yield of Astragalus sinicus |
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| ZHANG Xiang-ming et al.Effects of Nitrogen,Phosphorus and Potassium Fertilizer on Growth and Yield of Astragalus sinicus[J].Journal of Anhui Agricultural Sciences,2011,39(30):18585-18586,18694. |
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| Authors: | ZHANG Xiang-ming |
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| Institution: | ZHANG Xiang-ming et al(Soil and Fertilizer Institute,Anhui Academy of Agricultural Sciences,Hefei,Anhui 230031) |
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| Abstract: | Objective]The research aimed to study the effects of different fertilization on the growth of Astragalus sinicus and the increase of the yield.Method]The field experiments were carried out to study the effects of combining application of nitrogen,phosphorus and potassium fertilizer on the amount of root nodule,the fresh weight and the grain yield.Result]The order of the effects of nitrogen,phosphorus and potassium fertilizer on the amount of the root nodule was P>K>N.The fresh weight with the combining a... |
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| Keywords: | Astragalus sinicus Nitrogen Phosphorus Potassium Root nodule |
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